Swivel features more than 15,000 data sets for users to play with in various categories ranging from Economics to Health to Technology. From the data, users have created hundreds of thousands of graphs, charts and infographics, including the one below that visualizes the amount of rainfall in California since 1870. You can get started by copying and pasting your data or uploading an Excel spreadsheet or CSV file to the site. Once you've create your visualization, you can embed it anywhere on the web.\n